Home / 10,021.88-15,038.81-4,016.89

Finding the Fourth Proportional to 10,021.88, 15,038.81 and 4,016.89

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Solution

The fourth proportional to 10,021.88, 15,038.81 and 4,016.89 is: 6,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.88 : 15,038.81 = 4,016.89 : x
  2. Step 2: Convert to fraction form
    10,021.88/15,038.81 = 4,016.89/x
  3. Step 3: Cross multiply
    10,021.88x = 15,038.81 × 4,016.89
  4. Step 4: Simplify right side
    10,021.88x = 60,409,281.87
  5. Step 5: Solve for x
    x = 60,409,281.87/10,021.88
  6. Step 6: Final answer
    x = 6,027.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.